Removed unused cli options
Improved context_out/in log readability
Do not run qemu with nohup
fix #15 : Enabled kvm only if available
Added download_file alias that used curl/wget or python to download file
added syck to Gemfile
Enabled debug mode with KAMELEON_DEBUG=1
Hide defaults kameleon state files
Used boot2kameleon.iso to bootstrap the out_context with a minimal linux system
updated debian7 virtualbox recipe with boot2kameleon
Fixed a bad merge with branch 'persistent_cache' into dev (commit 38221f9)